Surgical & Medical Instruments & Apparatus
Standard Industrial Classification: SIC 3841
Industry Insider Sentiment Analysis
The Surgical & Medical Instruments & Apparatus sector (SIC 3841) acts as a critical barometer for broader economic health. Our real-time monitoring reveals total transactions. Monitoring "cluster buying" is one of the most reliable leading indicators for future sector performance. By analyzing aggregate data across this specific Standard Industrial Classification, investors can filter out individual company volatility and identify high-conviction trends. When multiple directors and officers within the same industry move capital simultaneously, it often signals an upcoming sector-wide revaluation or a fundamental shift in supply chain dynamics that has yet to be recognized by the broader public market.
| Filing Date | Trade Date | Ticker | Company | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After |
|---|---|---|---|---|---|---|---|---|---|---|
| 2020-10-19 17:18 | 2020-10-16 | NSPR | InspireMD, Inc. | ROUBIN GARY S | Director | BUY | $0.45 | 222,223 | $100,000 | 461,173 |
| 2020-10-19 23:30 | 2020-10-15 | DXCM | DEXCOM INC | FOLETTA MARK G | Director | SELL | $396.82 | 1,000 | $396,819 | 14,202 |
| 2020-10-17 00:38 | 2020-10-08 | INSP | Inspire Medical Systems, Inc. | NELSON MARILYN C | Director | SELL | $130.92 | 26,000 | $3,403,977 | 145,017 |
| 2020-10-17 00:05 | 2020-10-16 | ICUI | ICU MEDICAL INC/DE | SWINNEY ROBERT S | Director | OPT+S | $202.22 | 277 | $56,015 | 22,505 |
| 2020-10-15 23:23 | 2020-10-13 | TNDM | TANDEM DIABETES CARE INC | Vosseller Leigh | Officer | OPT+S | $120.87 | 10,000 | $1,208,728 | 4,520 |
| 2020-10-15 23:23 | 2020-10-13 | TNDM | TANDEM DIABETES CARE INC | BERGER DAVID B | Officer | OPT+S | $119.25 | 5,000 | $596,250 | 4,566 |
| 2020-10-15 23:22 | 2020-10-13 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Officer | OPT+S | $121.31 | 15,000 | $1,819,658 | 3,756 |
| 2020-10-16 03:23 | 2020-10-13 | PEN | Penumbra Inc | O'Rourke Bridget | Director | SELL | $207.58 | 65 | $13,493 | 3,193 |
| 2020-10-14 21:03 | 2020-10-12 | ATEC | Alphatec Holdings, Inc. | Sponsel David | Officer | SELL | $9.47 | 89,999 | $852,291 | 571,840 |
| 2020-10-15 03:51 | 2020-10-12 | PEN | Penumbra Inc | Elsesser Adam | Director, Officer | SELL | $212.64 | 8,000 | $1,701,146 | 973,582 |
| 2020-10-15 03:46 | 2020-10-09 | PEN | Penumbra Inc | Kassing Don W. | Director | SELL | $209.76 | 712 | $149,346 | 993 |
| 2020-10-14 23:36 | 2020-10-14 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $8.89 | 500 | $4,445 | 14,064,889 |
| 2020-10-14 00:00 | 2020-10-05 | MBOT | Microbot Medical Inc. | Bornstein Yoseph | Director | SELL | $7.84 | 20,000 | $156,898 | 246,909 |
| 2020-10-13 13:32 | 2020-10-02 | DYNT | DYNATRONICS CORP | Provco Ventures 1 LP | 10% owner | BUY | $0.00 | 54,806 | $0 | 913,852 |
| 2020-10-13 13:32 | 2020-10-02 | DYNT | DYNATRONICS CORP | Baker Brian D. | Director | BUY | $0.00 | 7,692 | $0 | 0 |
| 2020-10-13 13:26 | 2020-10-02 | DYNT | DYNATRONICS CORP | ENRIGHT ERIN S. | Director | BUY | $0.00 | 109,674 | $0 | 163,062 |
| 2020-10-13 13:28 | 2020-10-02 | DYNT | DYNATRONICS CORP | LARKIN BRIAN | Director | BUY | $0.00 | 5,449 | $0 | 169,879 |
| 2020-10-13 23:06 | 2020-10-09 | DRIO | DarioHealth Corp. | Kamer Allen | Director | BUY | $0.00 | 10,000 | $0 | 27,764 |
| 2020-10-13 23:04 | 2020-10-09 | ICUI | ICU MEDICAL INC/DE | Jain Vivek | Director, Officer | OPT+S | $195.00 | 11,500 | $2,242,500 | 66,241 |
| 2020-10-13 15:23 | 2020-10-09 | ATRC | AtriCure, Inc. | Seith Douglas J | Officer | SELL | $40.09 | 29,161 | $1,169,064 | 129,497 |
| 2020-10-13 13:24 | 2020-10-02 | DYNT | DYNATRONICS CORP | ESSIG STUART | 10% owner | BUY | $0.00 | 109,674 | $0 | 163,062 |
| 2020-10-13 23:20 | 2020-10-09 | PODD | INSULET CORP | Spears Michael P | Officer | OPT+S | $246.10 | 22,257 | $5,477,448 | 8,947 |
| 2020-10-10 03:12 | 2020-10-07 | TNDM | TANDEM DIABETES CARE INC | HANSEN BRIAN B | Officer | OPT+S | $117.76 | 15,000 | $1,766,438 | 4,665 |
| 2020-10-10 04:13 | 2020-10-08 | ATEC | Alphatec Holdings, Inc. | Hunsaker Craig E | Officer | SELL | $8.62 | 62,731 | $540,578 | 985,361 |
| 2020-10-10 00:03 | 2020-10-09 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $8.24 | 400 | $3,296 | 14,064,389 |
| 2020-10-08 15:39 | 2020-10-06 | ATRC | AtriCure, Inc. | Collar Mark A | Director | SELL | $40.00 | 2,330 | $93,200 | 78,558 |
| 2020-10-07 23:14 | 2020-10-05 | PODD | INSULET CORP | Petrovic Shacey | Director, Officer | OPT+S | $233.91 | 15,000 | $3,508,650 | 18,813 |
| 2020-10-06 23:58 | 2020-10-05 | MBOT | Microbot Medical Inc. | Bornstein Yoseph | Director | SELL | $7.74 | 20,000 | $154,850 | 266,909 |
| 2020-10-06 18:12 | 2020-09-30 | ATAO | Premier Air Charter Holdings Inc. | EROP Capital LLC | SELL | $0.22 | 20,490 | $4,508 | 50,005,722 | |
| 2020-10-07 01:08 | 2020-10-05 | RMD | RESMED INC | PENDARVIS DAVID | Officer | OPT+S | $170.07 | 5,919 | $1,006,621 | 136,128 |
| 2020-10-07 04:25 | 2020-10-02 | ARAY | Accuray Incorporated | LEVINE JOSHUA | Director, Officer | SELL | $2.43 | 15,370 | $37,366 | 764,943 |
| 2020-10-07 01:31 | 2020-10-02 | ARAY | Accuray Incorporated | Hamamatsu Shigeyuki | Officer | SELL | $2.43 | 8,641 | $21,007 | 177,003 |
| 2020-10-05 23:23 | 2020-10-01 | BSX | BOSTON SCIENTIFIC CORP | Pierce David A | Officer | SELL | $38.56 | 2,282 | $87,994 | 2,690 |
| 2020-10-05 23:05 | 2020-10-02 | DRIO | DarioHealth Corp. | STERN ADAM K | Director | BUY | $0.00 | 619 | $0 | 22,396 |
| 2020-10-06 00:00 | 2020-10-01 | IRTC | iRhythm Holdings, Inc. | Day Mark J. | Officer | SELL | $230.17 | 17,500 | $4,028,008 | 20,479 |
| 2020-10-05 15:45 | 2020-10-01 | ATRC | AtriCure, Inc. | Collar Mark A | Director | SELL | $40.20 | 670 | $26,934 | 80,888 |
| 2020-10-06 03:48 | 2020-10-01 | PEN | Penumbra Inc | Wilder Thomas | Director | SELL | $196.06 | 115 | $22,547 | 263 |
| 2020-10-05 23:17 | 2020-10-05 | LUNG | Pulmonx Corp | Florin Daniel P | Director | BUY | $19.00 | 15,789 | $299,991 | 15,789 |
| 2020-10-05 23:16 | 2020-10-05 | LUNG | Pulmonx Corp | Melenikiotou Georgia | Director | BUY | $19.00 | 26,315 | $499,985 | 26,315 |
| 2020-10-05 23:16 | 2020-10-05 | LUNG | Pulmonx Corp | Mead Dana G Jr. | Director | BUY | $19.00 | 26,315 | $499,985 | 26,315 |
| 2020-10-05 23:16 | 2020-10-05 | LUNG | Pulmonx Corp | FERRARI RICHARD M | Director | BUY | $19.00 | 13,157 | $249,983 | 16,187 |
| 2020-10-02 23:46 | 2020-10-01 | RMD | RESMED INC | Sodhi Rajwant | Officer | SELL | $172.84 | 1,500 | $259,260 | 32,589 |
| 2020-10-02 23:44 | 2020-10-01 | RMD | RESMED INC | Hollingshead James | Officer | SELL | $170.43 | 2,400 | $409,023 | 90,002 |
| 2020-10-02 21:10 | 2020-09-30 | INFU | InfuSystem Holdings, Inc | RUIZ THOMAS MARK | Officer | SELL | $11.95 | 64,745 | $773,703 | 963 |
| 2020-10-03 01:08 | 2020-09-30 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $411.20 | 2,200 | $904,637 | 63,018 |
| 2020-10-02 04:25 | 2020-06-11 | HJLI | enVVeno Medical Corp | Biodyne Holding, S.A. | SELL | $0.40 | 1,950,000 | $787,020 | 1,405,433 | |
| 2020-10-01 16:00 | 2020-09-16 | CRY | Artivion Inc. | Mackin James P | Officer | BUY | $16.74 | 7,500 | $125,524 | 264,274 |
| 2020-10-02 00:52 | 2020-09-29 | LNSR | LENSAR, Inc. | PDL BIOPHARMA, INC. | 10% owner | BUY | $11.16 | 8,703 | $97,125 | 8,667,397 |
| 2020-09-30 23:38 | 2020-09-29 | TNDM | TANDEM DIABETES CARE INC | HANSEN BRIAN B | Officer | OPT+S | $112.75 | 4,489 | $506,135 | 4,665 |
| 2020-10-01 01:04 | 2020-09-28 | INFU | InfuSystem Holdings, Inc | Meridian OHC Partners, LP | Director, 10% owner | SELL | $13.91 | 82,904 | $1,153,029 | 2,740,183 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Surgical & Medical Instruments & Apparatus sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (3841) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Surgical & Medical Instruments & Apparatus
Every transaction in the Surgical & Medical Instruments & Apparatus industry is reported via Form 4 disclosures. By filtering these filings by industry, investors can detect institutional-scale sentiment shifts before they are reflected in broader market indices, following the capital flow of those with intimate industry knowledge.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.